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Questions and Answers
What device is used to measure the heat absorbed or released during a chemical or physical change?
Calorimeter
What part of the calorimeter measures the temperature of the content inside?
Thermometer
Which component of the calorimeter is responsible for mixing the contents uniformly?
Stirrer
What is the purpose of the insulated container in the calorimeter?
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What gas is supplied through the ignition wires in the calorimeter?
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What is the capacity to do work or produce heat defined as?
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Which law states that energy cannot be created or destroyed, only transformed from one form to another?
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What type of energy is stored in the bonds of chemical compounds?
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What is the transfer of thermal energy between two bodies due to a temperature difference called?
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Which unit is commonly used to measure energy in the International System of Units (SI)?
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Study Notes
Calorimeter Diagram
- The diagram shows the different parts of a calorimeter, including:
- Thermometer
- Ignition wires
- Stirrer
- Oxygen
- Insulated container
- Water
- Sample
Energy and Heat
- Energy is defined as the capacity to do work or produce heat.
- The Law of Conservation of Energy states that energy cannot be created or destroyed, only transformed from one form to another.
- Chemical potential energy is the type of energy stored in the bonds of chemical compounds.
- Heat is the transfer of thermal energy between two bodies due to a temperature difference.
Units and Measurements
- The unit commonly used to measure energy in the International System of Units (SI) is the Joule.
- Specific heat is the amount of heat required to raise the temperature of one gram of a substance by one degree Celsius.
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Description
Identify the different parts of a calorimeter from a diagram. A calorimeter measures the heat of reaction or physical changes as well as heat capacity. It's often used in chemistry labs to calculate the heat of combustion.
